Cody

# Problem 1312. Rescaling vector

Solution 215059

Submitted on 9 Mar 2013 by Marco Castelli
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### Test Suite

Test Status Code Input and Output
1   Pass
%% simple test x = [-2 -10 5 10]; a = 0; b = 1; assert(isequal(rescale_vector(x,a,b),[0.4 0 0.75 1]))

``` y = 0.4000 0 0.7500 1.0000 ```

2   Pass
%% inverse test x = [-2 -10 5 10]; a = 1; b = 0; assert(isequal(rescale_vector(x,a,b),[0.6 1 0.25 0]))

``` y = 0.6000 1.0000 0.2500 0 ```

3   Pass
%% extrem positive x = rand(10,1); a = realmin; b = realmax/1e2; y = rescale_vector(x,a,b) assert(min(y)==realmin & max(y)==b)

``` y = 1.0e+306 * 1.4958 1.7977 0.2301 1.0857 0.8919 0.0000 0.6340 0.2930 1.5253 0.5835 y = 1.0e+306 * 1.4958 1.7977 0.2301 1.0857 0.8919 0.0000 0.6340 0.2930 1.5253 0.5835 ```

4   Pass
%% extrem x = diag(pascal(10)); a = -realmax/2; b = realmax/2; y = rescale_vector(x,a,b); assert(min(y)==a && max(y)==b)

``` y = 1.0e+307 * -8.9885 -8.9881 -8.9866 -8.9814 -8.9630 -8.8957 -8.6472 -7.7198 -4.2301 8.9885 ```